メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((143.14886027374 42.7087609867369, 143.145679991901 42.7093912873417, 143.143983528688 42.7045822015172, 143.143667119379 42.7046492329931, 143.14032461878 42.7013483049637, 143.140253526016 42.701318051027, 143.138997323736 42.7000261899359, 143.139086761791 42.6999787950353, 143.141797087154 42.6985402455444, 143.143035427384 42.6998347471151, 143.1431922393 42.699937620757, 143.143941069998 42.7007078541147, 143.144614079134 42.7013564335173, 143.145411835579 42.7021842311189, 143.145792649882 42.7025514968116, 143.146293356103 42.7030660833216, 143.146744902947 42.7034973572352, 143.146909027207 42.7036764088488, 143.14711373165 42.7039453107218, 143.147166005701 42.703953201782, 143.147401878776 42.704545109493, 143.14749298192 42.7048116627268, 143.147774455737 42.7055566793375, 143.147780920354 42.70557547396, 143.148280314642 42.70702746238, 143.148708152643 42.7082317278053, 143.148885943546 42.7087488292651, 143.14886027374 42.7087609867369)) ^^http://www.opengis.net/ont/geosparql#wktLiteral